mtd: mtdswap: fix integer overflow

Caught by Coverity. Signed-off-by: N Brian Norris <computersforpeace@gmail.com>

mtd: mtdswap: fix integer overflow
Caught by Coverity. Signed-off-by: N Brian Norris <computersforpeace@gmail.com>
8c3f3f1d · Brian Norris · 5e472128 · 8c3f3f1d
隐藏空白更改
内联并排

Showing with 1 addition and 1 deletion

drivers/mtd/mtdswap.c drivers/mtd/mtdswap.c +1 -1

未找到文件。
--- a/drivers/mtd/mtdswap.c
+++ b/drivers/mtd/mtdswap.c
@@ -1474,7 +1474,7 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 	}
 	eblocks = mtd_div_by_eb(use_size, mtd);
-	use_size = eblocks * mtd->erasesize;
+	use_size = (uint64_t)eblocks * mtd->erasesize;
 	bad_blocks = mtdswap_badblocks(mtd, use_size);
 	eavailable = eblocks - bad_blocks;